sussultatory

adjective

sus·​sul·​ta·​to·​ry

səˈsəltəˌtōrē

: characterized by up-and-down vibrations of large amplitude

—used of an earthquake compare succussatory

Word History

Etymology

Italian sussultare to leap up, heave (from Latin subsultare, from sub- up + -sultare, from saltare to leap) + English -tory (as in succussatory)

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